Dirui Industrial Co., Ltd. engages in the research and development, production, and sale of medical testing instrument, and supporting test paper reagents. Its products include urinalysis, biochemical analysis, blood cell analysis, chemiluminescence immunoassay, gynecological secretion analysis, coagulation analysis, and standard laboratory testing systems. The company was founded by Yong Song and Jie Song on April 15, 1992 and is headquartered in Changchun, China.